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CN110234300B - 生物可吸收支架 - Google Patents

生物可吸收支架 Download PDF

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Publication number
CN110234300B
CN110234300B CN201880009013.1A CN201880009013A CN110234300B CN 110234300 B CN110234300 B CN 110234300B CN 201880009013 A CN201880009013 A CN 201880009013A CN 110234300 B CN110234300 B CN 110234300B
Authority
CN
China
Prior art keywords
stent
substantially linear
width
linear portion
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201880009013.1A
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English (en)
Chinese (zh)
Other versions
CN110234300A (zh
Inventor
清水一郎
和田晃
佐佐木诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
School Legal Person Plus Schoolgarden Okayama University Of Science
Japan Medical Device Technology Co Ltd
Original Assignee
School Legal Person Plus Schoolgarden Okayama University Of Science
Japan Medical Device Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Publication of CN110234300A publication Critical patent/CN110234300A/zh
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Publication of CN110234300B publication Critical patent/CN110234300B/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/12Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P41/00Drugs used in surgical methods, e.g. surgery adjuvants for preventing adhesion or for vitreum substitution
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155Adjacent bands being connected to each other
    • A61F2002/91583Adjacent bands being connected to each other by a bridge, whereby at least one of its ends is connected along the length of a strut between two consecutive apices within a band
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004Rounded shapes, e.g. with rounded corners
    • A61F2230/0013Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0018Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in elasticity, stiffness or compressibility
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0029Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in bending or flexure capacity
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0036Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in thickness

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Surgery (AREA)
  • Transplantation (AREA)
  • Optics & Photonics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
CN201880009013.1A 2017-02-01 2018-01-29 生物可吸收支架 Active CN110234300B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017-017130 2017-02-01
JP2017017130 2017-02-01
PCT/JP2018/002669 WO2018143115A1 (ja) 2017-02-01 2018-01-29 生体吸収性ステント

Publications (2)

Publication Number Publication Date
CN110234300A CN110234300A (zh) 2019-09-13
CN110234300B true CN110234300B (zh) 2021-04-06

Family

ID=63039777

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880009013.1A Active CN110234300B (zh) 2017-02-01 2018-01-29 生物可吸收支架

Country Status (6)

Country Link
US (1) US11135075B2 (ja)
EP (1) EP3578142B1 (ja)
JP (1) JP6628263B2 (ja)
CN (1) CN110234300B (ja)
AU (1) AU2018214780B2 (ja)
WO (1) WO2018143115A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3708129A1 (de) * 2019-03-15 2020-09-16 Biotronik Ag Implantat
CN110974486A (zh) * 2019-12-04 2020-04-10 金仕生物科技(常熟)有限公司 人工瓣膜输送装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1212986A1 (en) * 2000-12-08 2002-06-12 SORIN BIOMEDICA CARDIO S.p.A. An angioplasty stent and manufacturing method thereof
US6613079B1 (en) * 1998-02-05 2003-09-02 Medtronic, Inc. Radially-expandable stent with controllable force profile
ES2207407A1 (es) * 2002-11-05 2004-05-16 Iberhospitex, S.A. Stent recubierto con estatinas para la administracion a un paciente.
CN202568545U (zh) * 2012-02-01 2012-12-05 内蒙古工业大学 一种冠脉支架
JP2013539661A (ja) * 2010-09-13 2013-10-28 メリル ライフ サイエンシズ ピーブィティ.エルティディ 薄ストラット厚および可変ストラット形状を有するステント
CN104921854A (zh) * 2015-06-12 2015-09-23 上海君联医疗设备有限公司 一种可吸收血管支架及其制备方法
WO2016037115A1 (en) * 2014-09-04 2016-03-10 Boston Scientific Scimed, Inc. Bioerodible polymeric stent scaffolding pattern

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5776161A (en) * 1995-10-16 1998-07-07 Instent, Inc. Medical stents, apparatus and method for making same
US6451049B2 (en) * 1998-04-29 2002-09-17 Sorin Biomedica Cardio, S.P.A. Stents for angioplasty
JP3654627B2 (ja) 2000-04-20 2005-06-02 川澄化学工業株式会社 ステント
US20050080479A1 (en) * 2003-09-29 2005-04-14 Feng James Q. Expandable endovascular stent
US7060090B2 (en) * 2003-10-15 2006-06-13 Medtronic Vascular, Inc. Stent with increased longitudinal flexibility and scaffolding
US7731890B2 (en) * 2006-06-15 2010-06-08 Advanced Cardiovascular Systems, Inc. Methods of fabricating stents with enhanced fracture toughness
US7309353B2 (en) * 2005-04-29 2007-12-18 Medtronic Vascular, Inc. Use of platinum group metals in vascular devices and method of texturing platinum group metals
US20070135899A1 (en) 2005-12-13 2007-06-14 Robert Burgermeister Polymeric stent having modified molecular structures in the flexible connectors and the radial struts of the hoops
CA2652753C (en) 2006-05-12 2015-12-08 Cordis Corporation Balloon expandable bioabsorbable drug eluting stent
US20070282433A1 (en) * 2006-06-01 2007-12-06 Limon Timothy A Stent with retention protrusions formed during crimping
US8974514B2 (en) 2007-03-13 2015-03-10 Abbott Cardiovascular Systems Inc. Intravascular stent with integrated link and ring strut
JP3145720U (ja) 2008-08-06 2008-10-16 株式会社日本ステントテクノロジー ステント
CN102497838A (zh) 2009-09-17 2012-06-13 株式会社日本斯滕特技术 支架
JP6349588B2 (ja) 2012-04-11 2018-07-04 クリノ株式会社 ステントの製造方法
EP2710984B1 (en) 2012-09-19 2015-08-26 Biotronik AG Implant and system formed of a balloon catheter and implant
US10271975B2 (en) * 2013-03-15 2019-04-30 Atrium Medical Corporation Stent device having reduced foreshortening and recoil and method of making same
JP2015154925A (ja) * 2014-01-17 2015-08-27 株式会社日本ステントテクノロジー 耐食性に優れたステント
WO2016110875A1 (en) * 2015-01-07 2016-07-14 Sahajanand Medical Technologies Private Limited Endoluminal stent
JP6558569B2 (ja) * 2015-05-21 2019-08-14 ニプロ株式会社 ステント
US10758384B2 (en) * 2016-07-13 2020-09-01 Cook Medical Technologies Llc Stent having reduced foreshortening
CA3143738A1 (en) * 2019-06-25 2020-12-30 Atrium Medical Corporation Stent device including a flarable crown

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6613079B1 (en) * 1998-02-05 2003-09-02 Medtronic, Inc. Radially-expandable stent with controllable force profile
EP1212986A1 (en) * 2000-12-08 2002-06-12 SORIN BIOMEDICA CARDIO S.p.A. An angioplasty stent and manufacturing method thereof
ES2207407A1 (es) * 2002-11-05 2004-05-16 Iberhospitex, S.A. Stent recubierto con estatinas para la administracion a un paciente.
JP2013539661A (ja) * 2010-09-13 2013-10-28 メリル ライフ サイエンシズ ピーブィティ.エルティディ 薄ストラット厚および可変ストラット形状を有するステント
CN202568545U (zh) * 2012-02-01 2012-12-05 内蒙古工业大学 一种冠脉支架
WO2016037115A1 (en) * 2014-09-04 2016-03-10 Boston Scientific Scimed, Inc. Bioerodible polymeric stent scaffolding pattern
CN104921854A (zh) * 2015-06-12 2015-09-23 上海君联医疗设备有限公司 一种可吸收血管支架及其制备方法

Also Published As

Publication number Publication date
JPWO2018143115A1 (ja) 2019-11-07
AU2018214780B2 (en) 2022-02-03
AU2018214780A1 (en) 2019-08-15
WO2018143115A1 (ja) 2018-08-09
US20190350732A1 (en) 2019-11-21
EP3578142B1 (en) 2022-03-23
EP3578142A4 (en) 2020-11-25
CN110234300A (zh) 2019-09-13
EP3578142A1 (en) 2019-12-11
JP6628263B2 (ja) 2020-01-08
US11135075B2 (en) 2021-10-05

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